National Medical Care Expenditure Survey.
D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D003625:Data Collection; D003729:Dental Care / Q000191:economics; D005102:Health Expenditures; D006297:Health Services Accessibility / Q000191:economics; D006801:Humans; D007354:Insurance, Major Medical; D008484:Medicaid; D008875:Middle Aged; D009310:National Health Insurance, United States; D014481:United States